19966177

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2179}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 26840160

約数和(自身を除く): 6873983

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 2179, 9163, 15253, 23969, 37043, 106771, 167783, 259301, 407473, 1174481, 1815107, 2852311, 19966177]

約数ペア:

[(1, 19966177), (7, 2852311), (11, 1815107), (17, 1174481), (49, 407473), (77, 259301), (119, 167783), (187, 106771), (539, 37043), (833, 23969), (1309, 15253), (2179, 9163)]